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62 LDK 8000 HDTV camera system User’s Guide (v3.0)
Chapter 5 - Operating instructions
It is also possible to operate the camera without a Triax cable by supplying a +12 Vdc supply to
the DC input socket. The BATT indicator in the viewfinder lights if the camera supply voltage is
less than 11V when using an external supply.
If excessive current flows in the camera or adapter, the circuit breaker trips and shuts off
power to all the units. If this happens check the units for faults and if necessary take corrective
action before pressing the circuit breaker button to reset the power.
5.8.2 Selecting monitoring signals
Viewfinder display signal
The viewfinder can display local or external video signals. Two switches determine the signal
that is displayed in the viewfinder. The selection made with these switches also determines
the VF connector output. Viewfinder display signal switch:
– Set to LOC to display the local camera Y signal in the viewfinder.
– Set to MIX to display a mix of the local camera Y signal and external signal.
– Set the switch to EXT to display the external signal 1 or 2.
The external signal selection switch determines which external signal from the Base Station,
either EXT1 or EXT 2, is displayed in the viewfinder.
Figure 5-9. Viewfinder signal display switches
Output monitoring signal
The monitoring output selection switch determines the signal available at the VF output
connector. The output can be switched between:
– VF: the analog viewfinder signal (Y only),
– Ext SD: the external signal from the base station (SD-format, CVBS). or
– Ext HD: the scaled external signal from the base station (HD-format, Y only).
Viewfinder
display signal
External signal
selection switch
Eng
Off
Prod
Front
Rear
VF
Ext1
Ext2
Loc
Mix
Ext
E
ng
O
ff
Pr
od
Front
Rear